FE_DOWNWARD
#define FE_DOWNWARD 0x2
#define FE_DOWNWARD VFP_FE_DOWNWARD
#define FE_DOWNWARD 0x0003
#define FE_DOWNWARD 0x0003
#define FE_DOWNWARD (0x02 << _ROUND_SHIFT)
#define FE_DOWNWARD 0x0400